00:01
Let's say, let's say gene for hair color, gene for hair color is capital h for black color, capital h for black color and small h for brown color, small h for brown color and for genotype capital h and capital h black color is expressed, black color is expressed.
00:32
For genotype capital h and small h again black color is expressed, again black color is expressed and for genotype small h and small h brown color is expressed, brown color is expressed.
00:52
Here both capital h and small h gene are expressing for, are expressing for same trait, same trait.
01:06
So, they both are called, so both are called alleles, alleles and capital h is getting expressed, is getting expressed whenever it is present in genotype, whenever it is present in genotype.
01:37
So, such genes are called, such genes are called dominant genes, dominant genes and genes like, genes like small h which are expressed, which are expressed only when, only when other gene is also, other gene is also same, such genes are called, such genes are called recessive genes, recessive genes.
02:23
So let's do the question.
02:25
Part no .1 genotype made from same alleles are called homozygous genes, homozygous genes.
02:34
Example from the above is capital h and capital h or small h and small h.
02:40
Second, different forms of genes for single trait are called alleles...